Home / 27,639,857.42-38,155,235.73-17,855,073.62

Finding the Fourth Proportional to 27,639,857.42, 38,155,235.73 and 17,855,073.62

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Solution

The fourth proportional to 27,639,857.42, 38,155,235.73 and 17,855,073.62 is: 24,647,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639,857.42 : 38,155,235.73 = 17,855,073.62 : x
  2. Step 2: Convert to fraction form
    27,639,857.42/38,155,235.73 = 17,855,073.62/x
  3. Step 3: Cross multiply
    27,639,857.42x = 38,155,235.73 × 17,855,073.62
  4. Step 4: Simplify right side
    27,639,857.42x = 681,264,542,947,604.38
  5. Step 5: Solve for x
    x = 681,264,542,947,604.38/27,639,857.42
  6. Step 6: Final answer
    x = 24,647,903.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.